In stressful jobs, depression risk rises with hours worked, study in new doctors finds

The more hours someone works each week in a stressful job, the more their risk of depression rises, a study in new doctors finds. Working 90 or more hours a week was associated with changes in depression symptom scores three times larger than the change in depression symptoms among those working 40 to 45 hours a week. And a higher percentage of those who worked a large number of hours had scores high enough to qualify for a diagnosis of moderate to severe depression

“Springing forward” affects early birds less than night owls, study finds

Every spring, the Daylight Saving Time shift robs people of an hour of sleep – and a new study shows that DNA plays a role in how much the time change affects individuals. People whose genetic profile makes them more likely to be “early birds” can adjust to the time change in a few days. But those who tend to be “night owls” could take more than a week to get back on track.